Cannot build master branch

[thejohnfreeman]

Bug Report

Current Behavior

yarn and npm install both fail on a fresh checkout of the master branch.

Environment

• yarn: 1.12.3
• node: 10.14.1
• npm: 6.4.1

Additional context/Screenshots

> @reactivex/rxjs@6.3.3 compile_dist_migrations /home/jfreeman/code/rxjs
> tsc -p ./tsconfig/tsconfig.migrations.json

node_modules/@angular-devkit/core/src/utils/template.d.ts:8:26 - error TS7016: Could not find a declaration file for module 'source-map'. '/home/jfreeman/code/rxjs/node_modules/source-map/source-map.js' implicitly has an 'any' type.
  Try `npm install @types/source-map` if it exists or add a new declaration (.d.ts) file containing `declare module 'source-map';`

8 import { Position } from 'source-map';
                           ~~~~~~~~~~~~

Found 1 error.

npm ERR! code ELIFECYCLE
npm ERR! errno 2
npm ERR! @reactivex/rxjs@6.3.3 compile_dist_migrations: `tsc -p ./tsconfig/tsconfig.migrations.json`
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the @reactivex/rxjs@6.3.3 compile_dist_migrations script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

ERROR: "compile_dist_migrations" exited with 2.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @reactivex/rxjs@6.3.3 build_migrations: `npm-run-all clean_dist_migrations compile_dist_migrations`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the @reactivex/rxjs@6.3.3 build_migrations script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

ERROR: "build_migrations" exited with 1.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @reactivex/rxjs@6.3.3 build_all: `npm-run-all compat_build_all clean_dist copy_sources build_cjs build_esm5 build_esm2015 build_esm5_for_rollup build_umd build_types build_legacy_reexport build_migrations generate_packages`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the @reactivex/rxjs@6.3.3 build_all script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

[benlesh]

Perhaps try cleaning your npm cache, deleting node_modules and installing again?

[benlesh]

Unable to reproduce.